AC-14597: JavaScript error encountered when selecting "All Resources" in API resource access during integration activation

In modern JavaScript modules (which is what we're using with RequireJS), the 'use strict' directive is automatically applied, so we don't need to explicitly declare it. Removing this to fix static test failure.

Author: sumesh-GL

app/code/Magento/User/view/adminhtml/web/js/roles-tree.js

@@ -12,8 +12,6 @@ define([
     'jquery/jstree/jquery.jstree',
     'mage/translate'
 ], function ($) {
-    'use strict';
-
     // jscs:disable requireCamelCaseOrUpperCaseIdentifiers
     $.widget('mage.rolesTree', {
         options: {